refactored more error code

frontend/src/routes/document/View.svelte

@@ -3,6 +3,7 @@
     import { useTinyRouter } from 'svelte-tiny-router';
 
     import {api}             from '../../urls.svelte.js';
+    import { error, yikes }  from '../../warn.svelte';
     import { t }             from '../../translations.svelte.js';
     import { user }          from '../../user.svelte.js';
 
@@ -20,7 +21,6 @@
 
     let   doc           = $state(null);
     let   editable      = $derived(doc.state == 1);
-    let   error         = $state(null);
     let   { id }        = $props();
     let   pdfDisabled   = $state(false);
     let position_select = $state(false);
@@ -36,9 +36,9 @@
         });
         if (resp.ok){
             doc.positions = await resp.json();
-            error         = null;
+            yikes();
         } else {
-            error = await resp.text();
+            error(resp);
         }
     }
 
@@ -64,12 +64,12 @@
             body        : type
         });
         if (res.ok) {
-            error = null;
+            yikes();
             let json = await res.json();
             router.navigate(`/document/${json.id}/view`);
             loadDoc();
         } else {
-            error = await res.text();
+            error(res);
         }
     }
 
@@ -78,9 +78,9 @@
         const resp = await fetch(url,{credentials:'include'});
         if (resp.ok){
             doc   = await resp.json();
-            error = null;
+            yikes();
         } else {
-            error = await resp.text();
+            error(resp);
         }
     }
 
@@ -90,7 +90,7 @@
         const url   = api(`document/${doc.id}/pdf`);
         const resp  = await fetch(url,{credentials:'include'});
         if (resp.ok){
-            error             = null;
+            yikes();
             const blob        = await resp.blob();
             const parts       = resp.headers.get("Content-disposition").split(";");
             const filename    = parts[1].split('=')[1].split('"').join('');
@@ -99,7 +99,7 @@
             fileLink.download = filename;
             fileLink.click();
         } else {
-            error = await resp.text();
+            error(resp);
         }
         pdfDisabled = false;
     }
@@ -133,10 +133,6 @@
     <title>Umbrella – {t('document')} {doc?.number}</title>
 </svelte:head>
 
-{#if error}
-<span class="error">{error}</span>
-{/if}
-
 {#if doc}
     <fieldset class="customer">
         <legend>{t('customer')}</legend>
@@ -248,7 +244,7 @@
             <button onclick={() => position_select = true}>{t('add_object',{object:t('position')})}</button>
             {/if}
         </legend>
-        <PositionList bind:document={doc} submit={update} bind:error={error} />
+        <PositionList bind:document={doc} submit={update} />
     </fieldset>
     <fieldset>
         <legend>{t('footer')}</legend>